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Re: Bison GLR buffer-overflow and invalid pointer fixes
From: |
Frank Heckenbach |
Subject: |
Re: Bison GLR buffer-overflow and invalid pointer fixes |
Date: |
Thu, 7 Jul 2005 19:59:08 +0200 |
User-agent: |
semail 20050409 |
Paul Eggert wrote:
> Paul Hilfinger <address@hidden> writes:
>
> > Presumably, we should use sigsetjmp/siglongjmp and decide now whether
> > we want the signal context to be restored. If you contemplate using
> > some other mechanism, then presumably your preference is that the
> > signal mask NOT be reset by failure (which would be my preference).
>
> Yes, that sounds right to me as well.
>
> Older systems won't have sigsetjmp/siglongjmp, but glr.c already
> assumes a relatively modern system,
Does it? I remember doing some changes to lower the requirement, but
I'm not sure exactly what's required at the moment.
> so I suppose we needn't worry
> about that.
If not available, one could of course always #define them to
setjmp/longjmp, I suppose.
Frank
--
Frank Heckenbach, address@hidden
http://fjf.gnu.de/
GnuPG and PGP keys: http://fjf.gnu.de/plan (7977168E)
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